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<p class=MsoNormal align=center style='text-align:center'><b><span
style='font-size:18.0pt'>IBM® HeapAnalyzer</span></b></p>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-size:18.0pt'> </span></p>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-size:18.0pt'> </span></p>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-size:18.0pt'>IBM HeapAnalyzer Creator/Developer</span></p>
<p class=MsoNormal align=center style='text-align:center'><span
style='font-size:18.0pt'>Jinwoo Hwang</span></p>
<p align=center style='margin:0in;margin-bottom:.0001pt;text-align:center'>jinwoo@us.ibm.com</p>
<p style='margin:0in;margin-bottom:.0001pt'> </p>
<p style='margin:0in;margin-bottom:.0001pt'>Welcome to IBM HeapAnalyzer. IBM
HeapAnalyzer allows the finding of a possible Java™ heap leak area through
its heuristic search engine and analysis of the Java heap dump in Java
applications. </p>
<p style='margin:0in;margin-bottom:.0001pt'> </p>
<p style='margin:0in;margin-bottom:.0001pt'><b><span style='font-size:20.0pt'>Introduction</span></b></p>
<p>The Heapdump contains a list of all the objects that are in the heap.</p>
<p>Heapdumps can be very large with millions of items in them. </p>
<p>It's not always easy to analyze a large file. This tool analyzes heapdumps
of Java SDK 1.3.1,1.4.x, 5.0 and 6.0</p>
<p>IBM HeapAnalyzer is provided “as-is”.</p>
<p style='margin:0in;margin-bottom:.0001pt'><b><span style='font-size:20.0pt'>Prerequisite</span></b></p>
<p style='margin-left:.5in;text-indent:-.25in'><span style='font-family:Symbol'>·</span><span
style='font-size:7.0pt'> </span>Java
Runtime Environment 6 or higher<br>
<br>
The following exception will be thrown if older version of Java virtual machine
is used:<br>
Exception in thread "main" java.lang.NoClassDefFoundError:
java/util/regex/PatternSyntaxException</p>
<p> </p>
<p><b><span style='font-size:20.0pt'>Definitions</span></b></p>
<p style='margin-top:5.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:
.5in;text-indent:-.25in'><span style='font-family:Symbol'>·</span><span
style='font-size:7.0pt'> </span><b>Root
object</b> An object for which no (different) object holds a reference.</p>
<p style='margin-top:5.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:
.5in;text-indent:-.25in'><span style='font-family:Symbol'>·</span><span
style='font-size:7.0pt'> </span><b>Parent
object</b> An object (for example, A) that holds at least one reference to some<br>
(different) object (for example, B). In this case, A is said to be the parent
of B.</p>
<p style='margin-top:5.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:
.5in;text-indent:-.25in'><span style='font-family:Symbol'>·</span><span
style='font-size:7.0pt'> </span><b>Owner
object</b> If an object has more than one parent object, a parent object is
chosen as owner object. <br>
Total size is calculated only with owner objects.</p>
<p style='margin-top:5.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:
.5in;text-indent:-.25in'><span style='font-family:Symbol'>·</span><span
style='font-size:7.0pt'> </span><b>Child
object</b> An object (for example, B) for which at least one (different) object<br>
(for example, A) holds a reference. In this case B is said to be the child of
A. </p>
<p style='margin-top:5.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:
.5in;text-indent:-.25in'><span style='font-family:Symbol'>·</span><span
style='font-size:7.0pt'> </span><b>Type </b>Collection
of same objects</p>
<p style='margin-top:5.0pt;margin-right:0in;margin-bottom:12.0pt;margin-left:
.5in;text-indent:-.25in'><span style='font-family:Symbol'>·</span><span
style='font-size:7.0pt'> </span><b>Size</b>
The size of an object is the amount of memory that is required to hold that
object in memory.</p>
<p style='margin-left:.5in;text-indent:-.25in'><span style='font-family:Symbol'>·</span><span
style='font-size:7.0pt'> </span><b>Total
size </b>The subtree size of an object is the sum of its size and the sizes of<br>
all the objects that it reached from its children. Note that each<br>
object is assigned a unique parent and root during processing. <br>
If there’s substantial difference in total size between <br>
a parent and its child, it’s called a total size drop. </p>
<p> </p>
<p><b><span style='font-size:20.0pt'>Features</span></b></p>
<p style='margin-left:.5in;text-indent:-.25in'><span style='font-family:Symbol'>·</span><span
style='font-size:7.0pt'> </span>Parent and
Children View from Table View and Tree View</p>
<p style='margin-left:.5in;text-indent:-.25in'><span style='font-family:Symbol'>·</span><span
style='font-size:7.0pt'> </span>Address
search</p>
<p style='margin-left:.5in;text-indent:-.25in'><span style='font-family:Symbol'>·</span><span
style='font-size:7.0pt'> </span>Root List
View</p>
<p style='margin-left:.5in;text-indent:-.25in'><span style='font-family:Symbol'>·</span><span
style='font-size:7.0pt'> &n
IBM Heap Analyzer.rar （73个子文件） 
IBM Heap Analyzer 
IBM Heap Analyzer.bat 44B ha.xml 432B docs readme_files 
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readme.html 49KB
ha456.jar 5.49MB ha.log.0 1KB资源评论
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